Home / 137,579.59-206,334.76-53,310.84

Finding the Fourth Proportional to 137,579.59, 206,334.76 and 53,310.84

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Solution

The fourth proportional to 137,579.59, 206,334.76 and 53,310.84 is: 79,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,579.59 : 206,334.76 = 53,310.84 : x
  2. Step 2: Convert to fraction form
    137,579.59/206,334.76 = 53,310.84/x
  3. Step 3: Cross multiply
    137,579.59x = 206,334.76 × 53,310.84
  4. Step 4: Simplify right side
    137,579.59x = 10,999,879,376.80
  5. Step 5: Solve for x
    x = 10,999,879,376.80/137,579.59
  6. Step 6: Final answer
    x = 79,952.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.